Finding the Fourth Proportional to 1,512,967.99, 2,087,882.33 and 824,639.81
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Solution
The fourth proportional to 1,512,967.99, 2,087,882.33 and 824,639.81 is: 1,137,995.58
Step by Step Solution
- Step 1: Write the proportion equation
1,512,967.99 : 2,087,882.33 = 824,639.81 : x - Step 2: Convert to fraction form
1,512,967.99/2,087,882.33 = 824,639.81/x - Step 3: Cross multiply
1,512,967.99x = 2,087,882.33 × 824,639.81 - Step 4: Simplify right side
1,512,967.99x = 1,721,750,889,733.88 - Step 5: Solve for x
x = 1,721,750,889,733.88/1,512,967.99 - Step 6: Final answer
x = 1,137,995.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.